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-rw-r--r--otherlibs/unix/fchmod.c1
-rw-r--r--otherlibs/unix/fchown.c1
-rw-r--r--otherlibs/unix/ftruncate.c1
3 files changed, 3 insertions, 0 deletions
diff --git a/otherlibs/unix/fchmod.c b/otherlibs/unix/fchmod.c
index ba5e55721..711097eb4 100644
--- a/otherlibs/unix/fchmod.c
+++ b/otherlibs/unix/fchmod.c
@@ -15,6 +15,7 @@
#include <sys/stat.h>
#include <fail.h>
#include <mlvalues.h>
+#include <signals.h>
#include "unixsupport.h"
#ifdef HAS_FCHMOD
diff --git a/otherlibs/unix/fchown.c b/otherlibs/unix/fchown.c
index 71e827d76..2a6746ca6 100644
--- a/otherlibs/unix/fchown.c
+++ b/otherlibs/unix/fchown.c
@@ -13,6 +13,7 @@
#include <fail.h>
#include <mlvalues.h>
+#include <signals.h>
#include "unixsupport.h"
#ifdef HAS_FCHMOD
diff --git a/otherlibs/unix/ftruncate.c b/otherlibs/unix/ftruncate.c
index 5b401fde0..ec494ba52 100644
--- a/otherlibs/unix/ftruncate.c
+++ b/otherlibs/unix/ftruncate.c
@@ -15,6 +15,7 @@
#include <fail.h>
#include <mlvalues.h>
#include <io.h>
+#include <signals.h>
#include "unixsupport.h"
#ifdef HAS_UNISTD
#include <unistd.h>